GRISSOM AIR RESERVE BASE, Ind. -- A C-17 Globemaster III is scheduled to be on display at the Grissom Air & Space Expo Sept. 7-8.
The C-17 is the most flexible cargo aircraft to enter the airlift force. The C-17 is capable of rapid strategic delivery of troops and all types of cargo to main operating bases or directly to forward bases in the deployment area. The aircraft can perform tactical airlift and airdrop missions and can transport litters and ambulatory patients during aeromedical evacuations. The inherent flexibility and performance of the C-17 force improve the ability of the total airlift system to fulfill the worldwide air mobility requirements of the United States.
The C-17 measures 174 feet long (53 meters) with a wingspan of 169 feet, 10 inches (51.75 meters). The aircraft is powered by four Pratt & Whitney F117-PW-100 turbofan engines, which are based on the commercial Pratt and Whitney PW2040 used on the Boeing 757. Each engine is rated at 40,440 pounds of thrust and includes thrust reversers that direct the flow of air upward and forward to avoid ingestion of dust and debris. Additionally, thrust reversers provide enough thrust to reverse the aircraft while taxing backwards and create in-flight drag for maximum rate descents. The design characteristics give it the capability to operate into and out of short runways and austere airfields carrying large payloads.
The aircraft is operated by a crew of three (pilot, co-pilot and loadmaster), reducing manpower requirements, risk exposure and long-term operating costs. Cargo is loaded onto the C-17 through a large aft ramp and door system that accommodates virtually all of the Army’s air-transportable equipment such as a 69-ton M1 Abrams main battle tank, armored vehicles, trucks and trailers. Additionally, the cargo floor has rollers that can be flipped from a flat floor to accommodate wheeled or tracked vehicles to rollerized conveyers to accommodate palletized cargo. The C-17 is designed to airdrop 102 paratroopers with their accompanying equipment.
Maximum payload capacity of the C-17 is 170,900 pounds (77,519 kilograms), and its maximum gross takeoff weight is 585,000 pounds (265,352 kilograms). With a payload of 164,900 pounds (74,797 kilograms) and an initial cruise altitude of 28,000 feet (8,534 meters), the C-17 has an unrefueled range of approximately 2,400 nautical miles. Its cruise speed is approximately 450 knots (.74 Mach).
The design of the aircraft (high-lift wing, slats, and externally blown flaps) allows it to operate through small, austere airfields. The C-17 can take off and land on runways as short as 3,500 feet (1,064 meters) and only 90 feet wide (27.4 meters). Even on such narrow runways, the C-17 can turn around using a three-point star turn and its backing capability.
The C-17 made its maiden flight on Sept. 15, 1991, and the first production model was delivered to Charleston Air Force Base, now identified as Joint Base Charleston, S.C., on June 14, 1993. The first squadron of C-17s, the 17th Airlift Squadron, was declared operationally ready Jan. 17, 1995. The Air Force originally programmed to buy 120 C-17s. Due to the unrivaled success of the C-17 to accomplish various mobility missions, additional aircraft were acquired, resulting in a final fleet of 223 aircraft.
The C-17 will be just one of many attractions which will appear at the 2019 Grissom Air and Space Expo.
Airshows allow citizens to see how their tax dollars are being spent, while static displays allow people to get close to aircraft, both past and present.
Airshows are also an opportunity to inspire future generations of Airmen and meet the pilots who help execute the Air Force mission.
The military aircraft, personnel and performances at these shows help demonstrate the Air Force Reserve’s readiness and role in global and national security.
The 2019 Grissom Air and Space Expo will feature demonstrations by the Thunderbirds and the U.S. Army aerial demonstration team, The Golden Knights, along with other military and civilian acts.
Gates open at 8:30 a.m. Sept. 7-8, with flying scheduled to begin at 11:00 a.m. both days.
For more information about the airshow, visit grissomairshow.com and stay connected with the 434th ARW on Facebook and Twitter for continued updates.
The 434th ARW is the largest KC-135R Stratotanker unit in the Air Force Reserve Command. The Citizen Airmen from the Hoosier Wing routinely deploy around the world in support of the Air Force mission.
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